Фрагмент из книги.
Supposing you had the power of invisibility and could walk around crowded cities completely unnoticed. Amazingly, millions of people around the world have this phenomenal superpower. They spend their time picking up waste from the streets, collecting it in handcarts and selling it for recycling. The job is dirty and physically demanding, not to mention highly dangerous, given the risk of injuries when handling sharp objects without proper safety equipment. They're invisible inasmuch as the rest of us barely notice them. Most people are blind to the fact that, but for these waste pickers, our cities would be overflowing with trash.
